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jerry
Questions and answers by
jerry
, page 2
Questions (120)
Show that if Cov(X,Y)=0, then the correlation coefficient satisfies
p(X+Y, X-Y)=Var(X)-Var(Y)/ Var(X)+Var (Y)
2 answers
594 views
experiencing a constant horizontal 1.10 m/s wind, a hot air balloon ascends from the launch site at a constant vertical speed of
3 answers
1,409 views
The base of a triangle is 3 cm greater than the height. The area is 27 cm squared. Find the height and base of the triangle.
3 answers
1,566 views
Why the solution of aluminium sulphate in water is not clear
1 answer
358 views
25cm cubed of 0.250mol per litre of potasium carbonate was nuetralized 12.5cm cubed of ethanoic acid of unknown
1 answer
369 views
Design a sub-class of SimpleCalculator called Calculator using psudoecode that contains public methods
named multiply(), and
1 answer
497 views
Design a sub-class of SimpleCalculator called Calculator using psudoecode that contains public methods
named multiply(), and
1 answer
522 views
Please correct my english grammar.
Dear sir, Good day, I just want to confirm from you if it is true the rampant rumors regarding
2 answers
742 views
Please kindly help me to correct my english grammar.
Dear sir, Good day, I just want to confirm from you if it is true the
3 answers
774 views
Which table shows a function that is decreasing only over the interval (–1, ∞)?
3 answers
3,089 views
I am in grade 10 doing this subject what work can i qualify doing this subjects
Math lit,Geography,Business Studies,Tourism
1 answer
460 views
¨He wants a place on the swim team.¨ The DIRECT object is what?
1 answer
189 views
Mr. Smith has a 4 in. wide by 6 in. long photo. He enlarges it so the new photo is 18 inches long. What is the area of the new
1 answer
241 views
what is the ordered pair for the inequality y>-4x-2
1 answer
168 views
The probability of events A and B is
P(A)=12 P(B)=13 P(A∩B)=14. What is the value of P(A or B)? Enter your answer as a
4 answers
803 views
what is 7
2 answers
173 views
v=lwh solve for l
1 answer
307 views
Find the amount paid for the loan.
$2400 at 10.5% for 5 years
3 answers
335 views
The demand for a Laptop in Adama is estimated to be QD= 250,000 –35P if this relationship remains approximately valid in the
3 answers
362 views
Eighty percent of what number is 20?
1 answer
56 views
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